OpenTechnical

OT-2026-000097309

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097309) never changes.

Identity and time

Publication numberOT-2026-000097309 · never reused
Internal UUID01a0aea1-01cb-75e4-9d42-ac10eceb168b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097309
StatusPUBLIC

Content hashes

Canonical text860e0217d9f32f199b3b5fe070ce9035f379ca22972916bcabcf2dd8c05e1397
Markdown4141a51cb1e8a01a96122ab554743fce5fdf0d08e2b3c6a851b374d976885647
PDF
Publication page58350a4e8f4786dc29230be99c173caf3806cad0dbd78e7a31f2d3fabd733bb7
Manifestb29f79b01d4e3a6b187c6bf07fb4d5ec47b75dab9cb16a9d40d7b80c722122df

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturek4pTtQcUw6F/wOJC9reiXEO4A8IWbK2Bw/o1S96/Kki4KpdawFSUYqYbOlR4MjH72sY60VcI9S3MKhnM3Lp1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:02.599668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097309
observed 58350a4e8f4786dc29230be99c173caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.456186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097309/manifest.json
observed b29f79b01d4e3a6b187c6bf07fb4d5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.437479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097309/publication.md
observed 4141a51cb1e8a01a96122ab554743fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.383697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097309/publication.txt
observed 860e0217d9f32f199b3b5fe070ce9035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.